There are many common Linux commands that will be helpful to you, if you ever even use the command line interface in Linux. Most average users just use the graphical user interface instead which usually has many tools and front-ends to Linux common commands. This Linux tutorial on command commands will help even the average user in case X server crashes, fails, is not properly configured, etc. So continue reading for some of the more common Linux bash commands.

Some of the more common Linux shell commands are listed below for more information on each command you can always run man [command] and this will bring up the manpage for that command, you can also click on the commands listed for some common examples and syntax.First before I list them any syntax in [] will need some kind of input from you normally, for example:man [command] you will want to actually replace [command] with the shell command you want to read the man page for: man ls will give you the man page for the Linux shell command ls.

Linux cat command- this command is used to print|view the contents of a file to the screen|terminal.

grep – command used to search|find contents of a file and print|view on your terminal|screen.

Linux more and less – commands that will allow you to read output of files, unlike cat that will output the entire file at once, even if it is too large for your terminal more and less will output only as many lines as the shell you are in can output, and allow you to scroll through the file contents.

To compress For example, you have directory called /home/jerry/prog and you would like to compress this directory then you can type tar command as follows:tar -zcvf prog-1-jan-2005.tar.gz /home/jerry/prog